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Les données sur les oiseaux en mer ont été recueillies par des observateurs spécialement formés et au moyen de l\u2019échantillonnage par distance - Buckland et al 2001. Les détections d\u2019oiseaux ont été notées le long d\u2019un transect de 300 m de largeur, d\u2019un côté du navire, en indiquant l\u2019intervalle de distance dans lequel elles se trouvaient, soit à 0-50 m, 50-100 m, 100-200m, ou 200-300 m de l\u2019observateur. Pour de plus amples détails, consultez Gjerdrum et al. - 2012, Bolduc et Desbiens - 2010 et Bolduc et Fifield - 2017<\/SPAN><\/P>

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